Another type of plough that was produced around 1968 was the little known about ‘D’ type plough. All that is known about this plough at present is that it was designated DM. M obviously being medium and D meaning extra narrow beam, exactly the same as the C type but much narrower. Believed to have been built specifically for the 770 and 780 Selectamatic tractors.
GIBBARD TRACTORS
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